There are no digital prints, they are all traditional photographs from negatives (or copy negatives) developed in chemicals over the past 100 years.
Lima Gwr 45xx Class Small Prairie Tank Loco No 4589 Engine Tested Runner Unboxed
railway photo GWR 45XX Class 2-6-2T No 4546 at Worcester 1950 by Casserley
railway photo GWR 45XX Class 2-6-2T No 4541 at Pontypool B-Set 1938 by Casserley
railway photo GWR 45XX Class 2-6-2T No 4549 at Barmouth 1956 by Casserley
railway photo GWR 45XX Class 2-6-2T No 4555 at Machynlleth 1959 by Casserley